deletions | additions       diff --git a/The_SQ_limit_is_a__.md b/The_SQ_limit_is_a__.md  index 33dd0a6..ea02d34 100644  --- a/The_SQ_limit_is_a__.md  +++ b/The_SQ_limit_is_a__.md 
...
Defects such as grain boundaries can alter these device parameter\cite{Yan_2011} in a uncontrolled fashion. Pushing cell conversion efficiencies beyond 20% will require primarly increasing \( V_{OC} \) beyond 1V. The current ( \(V_{OC} \) ) is well bellow the expected 1.2 V with respect to the absorber layer band gap. However the present pathway of processing optimization will likely yield \( V_{OC} \) and efficiency converging on 0.9 V and <20%, respectively \cite{McCandless_2013}.   Therefore engineer the photon dynamics and internal fluorescence of a PV cell is essential in reaching theoretical efficiency.